/* ================================================================
   Pro AI Background Remover v3.0 — tool.css
   DigitechPak | Moiz Ahmad | Premium Light-first Design
   ================================================================ */

/* ── Google Fonts loaded via PHP wp_enqueue_style ── */

/* ── Design Tokens — Light Mode (DEFAULT) ──────────────────────── */
:root {
  --bg-page:      #f4f6fb;
  --bg-surface:   #ffffff;
  --bg-elevated:  #f9fafc;
  --bg-hover:     #eef1f8;
  --bg-active:    #e5eaf6;
  --border:       rgba(30,40,80,.1);
  --border-mid:   rgba(30,40,80,.14);
  --border-focus: rgba(79,92,240,.5);
  --text-1:       #1a1f3c;
  --text-2:       #5c6490;
  --text-3:       #9aa3c8;
  --accent:       #4f5cf0;
  --accent-light: #6875f5;
  --accent-ultra: rgba(79,92,240,.12);
  --accent-glow:  rgba(79,92,240,.28);
  --success:      #10b981;
  --warning:      #f59e0b;
  --danger:       #ef4444;
  --success-bg:   rgba(16,185,129,.1);
  --danger-bg:    rgba(239,68,68,.1);
  --radius-xs:    4px;
  --radius-sm:    8px;
  --radius-md:    12px;
  --radius-lg:    16px;
  --radius-xl:    22px;
  --shadow-xs:    0 1px 3px rgba(30,40,80,.08);
  --shadow-sm:    0 2px 8px rgba(30,40,80,.1);
  --shadow-md:    0 4px 18px rgba(30,40,80,.12);
  --shadow-lg:    0 8px 32px rgba(30,40,80,.15);
  --shadow-xl:    0 16px 48px rgba(30,40,80,.18);
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --ease:         cubic-bezier(.4,0,.2,1);
  --t-fast:       .15s var(--ease);
  --t-normal:     .22s var(--ease);
  --t-slow:       .35s var(--ease);
  --sidebar-w:    300px;
  --topbar-h:     60px;
}

/* ── Dark Mode Overrides ─────────────────────────────────────────── */
[data-theme="dark"] {
  --bg-page:      #0d0f1a;
  --bg-surface:   #141726;
  --bg-elevated:  #1c2035;
  --bg-hover:     #222640;
  --bg-active:    #2a2f50;
  --border:       rgba(255,255,255,.07);
  --border-mid:   rgba(255,255,255,.1);
  --border-focus: rgba(104,117,245,.6);
  --text-1:       #e8eaf6;
  --text-2:       #8892b8;
  --text-3:       #4a527a;
  --accent:       #6875f5;
  --accent-light: #818cf8;
  --accent-ultra: rgba(104,117,245,.15);
  --accent-glow:  rgba(104,117,245,.35);
  --success-bg:   rgba(16,185,129,.12);
  --danger-bg:    rgba(239,68,68,.12);
  --shadow-xs:    0 1px 3px rgba(0,0,0,.4);
  --shadow-sm:    0 2px 8px rgba(0,0,0,.45);
  --shadow-md:    0 4px 18px rgba(0,0,0,.5);
  --shadow-lg:    0 8px 32px rgba(0,0,0,.55);
  --shadow-xl:    0 16px 48px rgba(0,0,0,.6);
}

/* ── Base Reset ──────────────────────────────────────────────────── */
#pabr-app, #pabr-app * {
  box-sizing: border-box;
  margin: 0; padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#pabr-app {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-1);
  background: var(--bg-page);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
  transition: background var(--t-slow), color var(--t-slow);
}

/* ── Standalone mode: suppress WP elements ──────────────────────── */
.pabr-standalone-page header:not(#pabr-app header),
.pabr-standalone-page footer,
.pabr-standalone-page #wpadminbar,
.pabr-standalone-page .site-header,
.pabr-standalone-page .entry-header {
  display: none !important;
}
.pabr-standalone-page .entry-content { padding: 0 !important; }

/* ================================================================
   TOP BAR
   ================================================================ */
.pabr-topbar {
  display: flex;
  align-items: center;
  height: var(--topbar-h);
  padding: 0 20px;
  gap: 12px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: var(--shadow-xs);
}

.pabr-topbar__brand {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  flex-shrink: 0;
}
.pabr-topbar__logo {
  width: 34px; height: 34px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 17px;
  box-shadow: 0 2px 8px var(--accent-glow);
  flex-shrink: 0;
}
.pabr-topbar__name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -.25px;
  white-space: nowrap;
}
.pabr-topbar__name em { color: var(--accent); font-style: normal; }

.pabr-topbar__nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  justify-content: center;
}

.pabr-nav-btn {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  background: none;
  border: none;
  padding: 7px 16px;
  border-radius: 30px;
  cursor: pointer;
  transition: all var(--t-fast);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 5px;
}
.pabr-nav-btn svg { opacity: .7; }
.pabr-nav-btn:hover {
  color: var(--text-1);
  background: var(--bg-hover);
}
.pabr-nav-btn.active {
  color: var(--accent);
  background: var(--accent-ultra);
  font-weight: 600;
}
.pabr-nav-btn.active svg { opacity: 1; }

.pabr-topbar__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ── Theme Toggle Button ─────────────────────────────────────────── */
.pabr-theme-btn {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-2);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all var(--t-fast);
  flex-shrink: 0;
}
.pabr-theme-btn:hover { background: var(--bg-hover); color: var(--text-1); }

/* Language selector */
.pabr-lang-select {
  height: 36px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-1);
  border-radius: var(--radius-sm);
  padding: 0 8px;
  font-family: var(--font-body);
  font-size: 12.5px;
  cursor: pointer;
  transition: border-color var(--t-fast);
}
.pabr-lang-select:hover { border-color: var(--border-mid); }
.pabr-lang-select:focus { outline: none; border-color: var(--border-focus); }

/* ================================================================
   PANELS (tab content)
   ================================================================ */
.pabr-panel {
  display: none;
  flex: 1;
}
.pabr-panel.active {
  display: flex;
  flex-direction: column;
  animation: pabr-fadein .2s ease;
}
@keyframes pabr-fadein { from { opacity:0; transform:translateY(4px); } to { opacity:1; transform:translateY(0); } }

/* ================================================================
   UPLOAD PANEL
   ================================================================ */
#panel-upload.active {
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  min-height: calc(100vh - var(--topbar-h));
}

.pabr-upload-container {
  width: 100%;
  max-width: 680px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.pabr-upload-headline {
  text-align: center;
}
.pabr-upload-headline h1 {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 800;
  color: var(--text-1);
  letter-spacing: -.5px;
  line-height: 1.2;
}
.pabr-upload-headline h1 span { color: var(--accent); }
.pabr-upload-headline p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-2);
}

/* Drop zone */
.pabr-dropzone {
  position: relative;
  border: 2px dashed var(--border-mid);
  border-radius: var(--radius-xl);
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--t-normal);
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pabr-dropzone:hover,
.pabr-dropzone.drag-over {
  border-color: var(--accent);
  background: var(--accent-ultra);
  box-shadow: 0 0 0 4px var(--accent-glow), var(--shadow-md);
  transform: translateY(-2px);
}
.pabr-dropzone__bg {
  /* Subtle dot grid */
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, var(--border-mid) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  opacity: .5;
}
.pabr-dropzone__glow {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--t-normal);
}
.pabr-dropzone:hover .pabr-dropzone__glow,
.pabr-dropzone.drag-over .pabr-dropzone__glow { opacity: 1; }

.pabr-dropzone__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 48px 32px;
  text-align: center;
}
.pabr-dropzone__icon {
  width: 64px; height: 64px;
  background: var(--accent-ultra);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  animation: pabr-float 3s ease-in-out infinite;
}
@keyframes pabr-float {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.pabr-dropzone__title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -.3px;
}
.pabr-dropzone__sub {
  font-size: 13px;
  color: var(--text-2);
  margin-top: -6px;
}

/* Batch mode toggle inside dropzone */
.pabr-batch-row {
  position: absolute;
  bottom: 14px; right: 16px;
  display: flex; align-items: center; gap: 8px;
  font-size: 12.5px;
  color: var(--text-2);
  cursor: default;
  z-index: 2;
}

/* Feature pills */
.pabr-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.pabr-pill {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 5px 12px;
  box-shadow: var(--shadow-xs);
  display: flex; align-items: center; gap: 5px;
}

/* Batch queue */
.pabr-batch-queue {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-sm);
}
.pabr-batch-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-1);
}
.pabr-batch-count {
  font-size: 11.5px;
  background: var(--accent-ultra);
  color: var(--accent);
  border-radius: 30px;
  padding: 2px 10px;
  font-weight: 600;
}
.pabr-batch-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 200px;
  overflow-y: auto;
}
.pabr-batch-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-2);
}
.pabr-batch-item span:first-child { font-size: 16px; }

/* ================================================================
   BUTTONS
   ================================================================ */
.pabr-btn {
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-md);
  padding: 9px 20px;
  cursor: pointer;
  transition: all var(--t-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.pabr-btn:disabled {
  opacity: .45;
  cursor: not-allowed;
  pointer-events: none;
}
.pabr-btn:active { transform: scale(.98); }

/* Primary */
.pabr-btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 10px var(--accent-glow);
}
.pabr-btn--primary:hover {
  background: var(--accent-light);
  box-shadow: 0 4px 18px var(--accent-glow);
  transform: translateY(-1px);
}

/* Secondary */
.pabr-btn--secondary {
  background: var(--bg-elevated);
  color: var(--text-1);
  border: 1px solid var(--border);
}
.pabr-btn--secondary:hover {
  background: var(--bg-hover);
  border-color: var(--border-mid);
}

/* Ghost */
.pabr-btn--ghost {
  background: none;
  color: var(--text-2);
}
.pabr-btn--ghost:hover { color: var(--text-1); background: var(--bg-hover); }

/* Danger */
.pabr-btn--danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,.2);
}
.pabr-btn--danger:hover { background: var(--danger); color: #fff; }

/* Success */
.pabr-btn--success {
  background: var(--success);
  color: #fff;
  box-shadow: 0 2px 10px rgba(16,185,129,.25);
}
.pabr-btn--success:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

/* Sizes */
.pabr-btn--sm  { font-size: 12px; padding: 6px 13px; border-radius: var(--radius-sm); }
.pabr-btn--lg  { font-size: 15px; padding: 11px 26px; }
.pabr-btn--full{ width: 100%; }
.pabr-btn--icon{ padding: 9px; }

/* Icon-only button */
.pabr-icon-btn {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-2);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 15px;
  transition: all var(--t-fast);
  flex-shrink: 0;
}
.pabr-icon-btn:hover { background: var(--bg-hover); color: var(--text-1); border-color: var(--border-mid); }
.pabr-icon-btn:active { transform: scale(.95); }
.pabr-icon-btn.active { background: var(--accent-ultra); color: var(--accent); border-color: var(--accent); }
.pabr-icon-btn--danger:hover { background: var(--danger-bg); color: var(--danger); border-color: rgba(239,68,68,.3); }

/* ── Toggle Switch ───────────────────────────────────────────────── */
.pabr-toggle {
  position: relative;
  display: inline-flex;
  width: 38px; height: 22px;
  cursor: pointer;
  flex-shrink: 0;
}
.pabr-toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.pabr-toggle__track {
  position: absolute; inset: 0;
  background: var(--border-mid);
  border-radius: 11px;
  transition: background var(--t-fast);
}
.pabr-toggle__track::after {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--t-fast);
  box-shadow: var(--shadow-xs);
}
.pabr-toggle input:checked + .pabr-toggle__track { background: var(--accent); }
.pabr-toggle input:checked + .pabr-toggle__track::after { transform: translateX(16px); }

/* ================================================================
   EDITOR LAYOUT
   ================================================================ */
.pabr-editor-layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-w);
  flex: 1;
  min-height: calc(100vh - var(--topbar-h));
  overflow: hidden;
}

/* ── Canvas area ─────────────────────────────────────────────────── */
.pabr-canvas-area {
  display: flex;
  flex-direction: column;
  background: var(--bg-page);
  border-right: 1px solid var(--border);
  overflow: hidden;
  position: relative;
}

/* Canvas tab bar */
.pabr-canvas-tabs {
  display: flex;
  gap: 2px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}
.pabr-tab {
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-2);
  background: none;
  border: none;
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--t-fast);
}
.pabr-tab:hover { color: var(--text-1); background: var(--bg-hover); }
.pabr-tab.active { background: var(--accent); color: #fff; }

/* View containers */
.pabr-view { display: none; flex: 1; overflow: hidden; }
.pabr-view.active {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  flex: 1;
}

/* Canvas wrapper (checkered transparency grid) */
.pabr-canvas-shell {
  position: relative;
  display: inline-block;
  max-width: 100%;
  max-height: calc(100vh - var(--topbar-h) - 200px);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  /* Checkered background for transparency */
  background-color: #fff;
  background-image:
    linear-gradient(45deg, #d0d5e8 25%, transparent 25%),
    linear-gradient(-45deg, #d0d5e8 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #d0d5e8 75%),
    linear-gradient(-45deg, transparent 75%, #d0d5e8 75%);
  background-size: 14px 14px;
  background-position: 0 0, 0 7px, 7px -7px, -7px 0px;
}
[data-theme="dark"] .pabr-canvas-shell {
  background-color: #1c2035;
  background-image:
    linear-gradient(45deg, #252a45 25%, transparent 25%),
    linear-gradient(-45deg, #252a45 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #252a45 75%),
    linear-gradient(-45deg, transparent 75%, #252a45 75%);
}

#pabr-result-canvas {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - var(--topbar-h) - 200px);
  object-fit: contain;
  cursor: crosshair;
}

/* Original preview */
#pabr-original-preview {
  max-width: 100%;
  max-height: calc(100vh - var(--topbar-h) - 200px);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

/* Loading overlay */
.pabr-loading {
  position: absolute; inset: 0;
  background: rgba(var(--bg-page), .92);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  z-index: 50;
  backdrop-filter: blur(6px);
}
.pabr-loading__spinner {
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  animation: pabr-spin 0.9s linear infinite;
}
@keyframes pabr-spin { to { transform: rotate(360deg); } }
.pabr-loading__label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-1);
  letter-spacing: -.1px;
}
.pabr-loading__bar-wrap {
  width: 200px;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.pabr-loading__bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  animation: pabr-bar 2.5s ease-in-out infinite alternate;
  transform-origin: left;
}
@keyframes pabr-bar {
  0%   { width: 10%; }
  50%  { width: 65%; }
  100% { width: 90%; }
}

/* Compare slider */
.pabr-compare-wrap {
  position: relative;
  display: inline-block;
  max-width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  cursor: col-resize;
}
.pabr-compare-wrap img,
.pabr-compare-wrap canvas {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - var(--topbar-h) - 200px);
}
.pabr-compare-wrap canvas {
  position: absolute;
  inset: 0;
  clip-path: inset(0 50% 0 0); /* JS updates the right % */
}
.pabr-compare-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 3px;
  background: #fff;
  box-shadow: 0 0 0 1px rgba(0,0,0,.2), var(--shadow-md);
  transform: translateX(-50%);
  cursor: col-resize;
  z-index: 10;
}
.pabr-compare-handle::before {
  content: '⇔';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 36px; height: 36px;
  background: #fff;
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  color: var(--accent);
  font-weight: 700;
}
.pabr-compare-label {
  position: absolute;
  bottom: 12px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  background: rgba(0,0,0,.55);
  color: #fff;
  padding: 3px 10px;
  border-radius: 20px;
}
.pabr-compare-label--before { left: 14px; }
.pabr-compare-label--after  { right: 14px; }

/* Canvas controls bar */
.pabr-canvas-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
  flex-wrap: wrap;
}
.pabr-canvas-controls__sep {
  width: 1px; height: 22px;
  background: var(--border);
  margin: 0 2px;
}

/* Download row */
.pabr-download-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
  flex-wrap: wrap;
}
.pabr-format-group {
  display: flex;
  align-items: center;
  gap: 4px;
}
.pabr-fmt-label {
  font-size: 12px;
  color: var(--text-2);
  margin-right: 4px;
}
.pabr-fmt-btn {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-2);
  border-radius: var(--radius-xs);
  padding: 5px 10px;
  cursor: pointer;
  transition: all var(--t-fast);
  letter-spacing: .05em;
}
.pabr-fmt-btn:hover { background: var(--bg-hover); color: var(--text-1); }
.pabr-fmt-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.pabr-quality-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 160px;
}
.pabr-quality-wrap label { font-size: 12px; color: var(--text-2); white-space: nowrap; }
.pabr-quality-wrap input[type="range"] {
  flex: 1;
  accent-color: var(--accent);
  height: 4px;
}

/* Brush hint */
.pabr-brush-hint {
  position: absolute;
  top: 52px; left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 12.5px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  z-index: 30;
  white-space: nowrap;
  pointer-events: none;
  animation: pabr-fadein .2s ease;
}

/* ================================================================
   SIDEBAR
   ================================================================ */
.pabr-sidebar {
  width: var(--sidebar-w);
  background: var(--bg-surface);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  border-left: 1px solid var(--border);
}

/* AI Settings section (always-visible top block) */
.pabr-ai-section {
  padding: 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pabr-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-3);
}

/* Accordion */
.pabr-accordion {
  border-bottom: 1px solid var(--border);
}
.pabr-accordion__head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-1);
  cursor: pointer;
  user-select: none;
  transition: background var(--t-fast);
}
.pabr-accordion__head:hover { background: var(--bg-hover); }
.pabr-accordion__head svg { color: var(--accent); flex-shrink: 0; }
.pabr-accordion__arrow {
  margin-left: auto;
  color: var(--text-3);
  transition: transform var(--t-fast);
  flex-shrink: 0;
}
.pabr-accordion.open .pabr-accordion__arrow { transform: rotate(180deg); }

.pabr-accordion__body {
  display: none;
  padding: 4px 14px 14px;
  flex-direction: column;
  gap: 11px;
}
.pabr-accordion.open .pabr-accordion__body { display: flex; }

/* Form controls */
.pabr-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.pabr-field__label {
  font-size: 12px;
  color: var(--text-2);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.pabr-field__label span {
  font-weight: 600;
  color: var(--accent);
  font-size: 11px;
}

.pabr-select {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-1);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  font-family: var(--font-body);
  font-size: 13px;
  cursor: pointer;
  transition: border-color var(--t-fast);
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%239aa3c8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}
.pabr-select:focus { outline: none; border-color: var(--border-focus); }

.pabr-range {
  width: 100%;
  -webkit-appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--border-mid);
  accent-color: var(--accent);
  cursor: pointer;
}
.pabr-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 1px 4px var(--accent-glow);
  cursor: pointer;
  transition: transform var(--t-fast);
}
.pabr-range::-webkit-slider-thumb:hover { transform: scale(1.2); }

.pabr-number-input {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-1);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  font-family: var(--font-body);
  font-size: 13px;
  transition: border-color var(--t-fast);
}
.pabr-number-input:focus { outline: none; border-color: var(--border-focus); }

/* Checkbox row */
.pabr-check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-2);
  cursor: pointer;
  padding: 2px 0;
}
.pabr-check-row input[type="checkbox"] {
  width: 15px; height: 15px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* Sub-panel (indented) */
.pabr-sub-panel {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 10px 0 2px 12px;
  border-left: 2px solid var(--border);
  margin-left: 4px;
}

/* Background type tabs */
.pabr-bg-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}
.pabr-bg-tab {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-2);
  border-radius: var(--radius-xs);
  padding: 6px 4px;
  cursor: pointer;
  transition: all var(--t-fast);
  text-align: center;
}
.pabr-bg-tab:hover { background: var(--bg-hover); color: var(--text-1); }
.pabr-bg-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.pabr-bg-panel { display: none; flex-direction: column; gap: 10px; }
.pabr-bg-panel.on { display: flex; }

/* Color picker row */
.pabr-color-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.pabr-color-swatch {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
  overflow: hidden;
}
.pabr-color-swatch input[type="color"] {
  width: 100%; height: 100%;
  border: none;
  padding: 0; margin: -2px;
  cursor: pointer;
  transform: scale(1.15);
}
.pabr-hex-input {
  flex: 1;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-1);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  font-family: 'Courier New', monospace;
  font-size: 12.5px;
}
.pabr-hex-input:focus { outline: none; border-color: var(--border-focus); }

.pabr-presets-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 5px;
}
.pabr-color-preset {
  aspect-ratio: 1;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--t-fast);
  box-shadow: var(--shadow-xs);
}
.pabr-color-preset:hover { transform: scale(1.2); border-color: var(--accent); }
.pabr-color-preset.selected { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-glow); }

/* Gradient */
.pabr-grad-colors {
  display: flex;
  gap: 8px;
}
.pabr-grad-colors .pabr-color-swatch { flex: 1; height: 42px; }
.pabr-grad-presets-row {
  display: flex;
  gap: 6px;
}
.pabr-grad-preset {
  flex: 1;
  height: 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--t-fast);
}
.pabr-grad-preset:hover { border-color: var(--accent); transform: scale(1.04); }

/* Template grid */
.pabr-template-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
}
.pabr-template-thumb {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--t-fast);
}
.pabr-template-thumb:hover { border-color: var(--accent); transform: scale(1.05); }
.pabr-template-thumb.active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-glow); }

/* Brush mode row */
.pabr-brush-modes {
  display: flex;
  gap: 5px;
}
.pabr-brush-mode-btn {
  flex: 1;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 600;
  padding: 7px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--t-fast);
  text-align: center;
}
.pabr-brush-mode-btn:hover { background: var(--bg-hover); color: var(--text-1); }
.pabr-brush-mode-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Resize inputs */
.pabr-size-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.pabr-size-row .pabr-field { flex: 1; }
.pabr-lock-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-2);
  cursor: pointer;
  font-size: 15px;
  transition: all var(--t-fast);
  margin-top: 18px;
  flex-shrink: 0;
}
.pabr-lock-btn.locked { color: var(--accent); border-color: var(--accent); background: var(--accent-ultra); }
.pabr-lock-btn:hover { border-color: var(--border-mid); }

.pabr-preset-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.pabr-size-pill {
  font-size: 11px;
  font-weight: 700;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-2);
  border-radius: 20px;
  padding: 4px 9px;
  cursor: pointer;
  transition: all var(--t-fast);
  letter-spacing: .03em;
}
.pabr-size-pill:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ================================================================
   HISTORY PANEL
   ================================================================ */
#panel-history.active {
  padding: 20px;
  align-items: flex-start;
}
.pabr-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 16px;
}
.pabr-history-header h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-1);
}
.pabr-history-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
  width: 100%;
}
.pabr-history-empty {
  grid-column: 1/-1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 60px 20px;
  text-align: center;
  color: var(--text-3);
}
.pabr-history-empty svg { opacity: .35; }
.pabr-history-empty p { font-size: 14px; color: var(--text-2); }

.pabr-history-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--t-fast);
  box-shadow: var(--shadow-xs);
}
.pabr-history-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}
.pabr-history-card__thumb {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  /* checkered bg for transparency */
  background-image:
    linear-gradient(45deg, #d0d5e8 25%, transparent 25%),
    linear-gradient(-45deg, #d0d5e8 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #d0d5e8 75%),
    linear-gradient(-45deg, transparent 75%, #d0d5e8 75%);
  background-size: 10px 10px;
  background-color: #fff;
}
.pabr-history-card__meta {
  padding: 8px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
}
.pabr-history-card__date { font-size: 11px; color: var(--text-3); }
.pabr-history-card__dl-btn {
  font-size: 12px;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: var(--radius-xs);
  transition: background var(--t-fast);
}
.pabr-history-card__dl-btn:hover { background: var(--accent-ultra); }

/* ================================================================
   TOAST NOTIFICATIONS
   ================================================================ */
.pabr-toast-wrap {
  position: fixed;
  bottom: 20px; right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.pabr-toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 13.5px;
  color: var(--text-1);
  min-width: 220px;
  pointer-events: all;
  animation: pabr-toast-in .25s var(--ease);
}
@keyframes pabr-toast-in { from { opacity:0; transform:translateY(12px) scale(.96); } }
.pabr-toast--success { border-left: 3px solid var(--success); }
.pabr-toast--error   { border-left: 3px solid var(--danger); }
.pabr-toast--info    { border-left: 3px solid var(--accent); }
.pabr-toast__icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}
.pabr-toast--success .pabr-toast__icon { background: var(--success-bg); color: var(--success); }
.pabr-toast--error   .pabr-toast__icon { background: var(--danger-bg);  color: var(--danger); }
.pabr-toast--info    .pabr-toast__icon { background: var(--accent-ultra); color: var(--accent); }
.pabr-toast.out { animation: pabr-toast-out .25s var(--ease) forwards; }
@keyframes pabr-toast-out { to { opacity:0; transform:translateX(16px); } }

/* ================================================================
   MODAL
   ================================================================ */
.pabr-modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(4px);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pabr-fadein .2s ease;
}
.pabr-modal-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 26px;
  width: 380px;
  max-width: 94vw;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow-xl);
}
.pabr-modal-box h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
}
.pabr-modal-box p {
  font-size: 13px;
  color: var(--text-2);
}
.pabr-modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 900px) {
  .pabr-editor-layout {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
  }
  .pabr-sidebar {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--border);
    max-height: 360px;
    overflow-y: auto;
  }
}
@media (max-width: 600px) {
  .pabr-topbar__name { display: none; }
  .pabr-topbar__nav { gap: 0; }
  .pabr-nav-btn { padding: 6px 10px; font-size: 12px; }
  #panel-upload.active { padding: 20px 12px; }
  .pabr-upload-headline h1 { font-size: 22px; }
  .pabr-download-bar { flex-wrap: wrap; }
  .pabr-quality-wrap { min-width: 100%; }
}

/* ── Scrollbar ───────────────────────────────────────────────────── */
.pabr-sidebar::-webkit-scrollbar { width: 4px; }
.pabr-sidebar::-webkit-scrollbar-track { background: transparent; }
.pabr-sidebar::-webkit-scrollbar-thumb { background: var(--border-mid); border-radius: 2px; }

/* ── Utility ─────────────────────────────────────────────────────── */
.pabr-hidden { display: none !important; }
.pabr-gap-row { display: flex; align-items: center; gap: 8px; }
.pabr-spacer { flex: 1; }